'Peritricha' definitions:

Definition of 'Peritricha'

From: GCIDE

Peritricha \Pe*rit"ri*cha\, n. pl. [NL., fr. Gr. peri` about + ?, ?, hair.] (Zool.) A division of ciliated Infusoria having a circle of cilia around the oral disk and sometimes another around the body. It includes the vorticellas. See Vorticella. [1913 Webster]